30131601 has 8 divisors (see below), whose sum is σ = 40213920. Its totient is φ = 20068512.

The previous prime is 30131593. The next prime is 30131603. The reversal of 30131601 is 10613103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30131601 - 2³ = 30131593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30131603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631 + ... + 7788.

It is an arithmetic number, because the mean of its divisors is an integer number (5026740).

Almost surely, 2^30131601 is an apocalyptic number.

It is an amenable number.

30131601 is a deficient number, since it is larger than the sum of its proper divisors (10082319).

30131601 is a wasteful number, since it uses less digits than its factorization.

30131601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 30131601 is about 5489.2259017096. The cubic root of 30131601 is about 311.1769377387.

Adding to 30131601 its reverse (10613103), we get a palindrome (40744704).

The spelling of 30131601 in words is "thirty million, one hundred thirty-one thousand, six hundred one".